1 unstable release
0.1.0 | Feb 15, 2021 |
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#5 in #flv
34KB
572 lines
flvparse
A FLV format parsing library written in Rust with nom.
Usage
Quick start
[dependencies]
flvparse = "0.1"
fn main() {
let bytes = include_bytes!("assets/test.flv");
let flv = flvparse::FlvFile::parse(bytes).unwrap();
// ...
}
Example
See example for details.
cd cmd
cargo run -- --input ../assets/test.flv
+-----------------+-----------+
| FLV File Header | |
+-----------------+-----------+
| Signature (3B) | 46 4c 56 |
| Version (1B) | 1 |
| Flags (1B) | 0000 0101 |
| DataOffset (4B) | 9 |
+-----------------+-----------+
+------------------+-------------------+------------------+------------------+
| Total tag number | Script tag number | Video tag number | Audio tag number |
+------------------+-------------------+------------------+------------------+
| 13041 | 1 | 4668 | 8372 |
+------------------+-------------------+------------------+------------------+
cd cmd
cargo run -- --input ../assets/test.flv -p
+-----------------+-----------+
| FLV File Header | |
+-----------------+-----------+
| Signature (3B) | 46 4c 56 |
| Version (1B) | 1 |
| Flags (1B) | 0000 0101 |
| DataOffset (4B) | 9 |
+-----------------+-----------+
+---------------+--------------+---------------+----------------+---------------+
| FLV File Body | | | | |
+---------------+--------------+---------------+----------------+---------------+
| Index | TagType (1B) | DataSize (3B) | Timestamp (4B) | StreamID (3B) |
| 1 | Script | 1030 | 0 | 0 |
| 2 | Video | 48 | 0 | 0 |
| 3 | Audio | 7 | 0 | 0 |
| 4 | Video | 2831 | 0 | 0 |
| ... |
| 13039 | Audio | 15 | 194494 | 0 |
| 13040 | Audio | 15 | 194517 | 0 |
| 13041 | Video | 5 | 194375 | 0 |
+---------------+--------------+---------------+----------------+---------------+
+------------------+-------------------+------------------+------------------+
| Total tag number | Script tag number | Video tag number | Audio tag number |
+------------------+-------------------+------------------+------------------+
| 13041 | 1 | 4668 | 8372 |
+------------------+-------------------+------------------+------------------+
Related structure
FlvFile
├──FlvFileHeader
└──FlvFileBody
├──u32 -- first previous tag size
└──Vec<(FlvTag, u32)>
FlvTag
├──FlvTagHeader
└──FlvTagData
FlvTagData
└──ScriptTag/VideoTag/AudioTag
License
Licensed under either of
at your option.
Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.
Dependencies
~1.5MB
~25K SLoC